BAQUACIL Filter Aid increases effectiveness of all filter types to clarify dull or cloudy water.

Hazy or cloudy water indicates a water clarity problem in a pool and results from accumulation of unwanted contaminants such as dirt, suntan lotion, bacteria & algae, body oils, and minerals.
Highly efficient powder that increases the effectiveness of D.E. cartridge filters. Helps the filter capture tiny suspended particles of dirt and debris that would otherwise slip through and return to the pool, causing dull water.

Tips:
For Dull Water
If your pool water is clear, but seems to have lost its sparkle, you can turn dull to dazzling with BAQUACIL Filter Aid, simply by following the label instructions. Just remember to run your filter continuously for 24 hours.